Holon Researcher Holon Research Tower · No. 078/086 · Uncommon Illustrated by Kanako Eo Holon Researcher price & value More by Kanako Eo Castform — DP5: Cry from the MysteriousRoseanne's Research — Dialga LV.X Constructed Standard DeckFossil Excavator — Rampardos the Attacker Constructed Half DeckRoseanne's Research — Battle RoadRoseanne's Research — DP3: Shining DarknessFossil Excavator — DP2: Secret of the LakesRoseanne's Research — Palkia LV.X Constructed Standard DeckSwablu — DP4: Dawn DashFossil Excavator — Bastiodon the Defender Half DeckCaterpie — SM1S: Collection SunRoggenrola — SM1M: Collection MoonChimecho — SM4S: Awakened Heroes